Empty 空状态

APP 空状态 Free Empty State Icons
https://unblast.com/free-empty-state-icons-sketch/
https://ui8.net/virgil-pana/products/130-empty-state-icons
https://in.pinterest.com/pin/design-background-pattern—1139551511932612962/

https://www.flaticon.com/free-icons/empty-state

https://iconscout.com/icons/empty-state

Notify消息提示

https://sciactive.com/pnotify/
在线案例 https://sciactive.com/pnotify/demo/styling.html